   Chapter 7.1, Problem 38ES ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193

#### Solutions

Chapter
Section ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193
Textbook Problem
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# Let X = { a , b , c } and Y = { r , s , t u , v , w } , Define f : X → Y as follows: f ( a ) = v ( b ) = v , and f ( c ) = t . Draw an arrow diagram for f. Let A = { a , b } , C = { t } ,   D = { u , v } and E = { r , s } . Find f ( A ) , f ( X ) f − 1 ( C ) , f − 1 ( D ) , f − 1 ( E ) ,     and   f − 1 ( Y )

To determine

(a)

Draw an arrow diagram for f.

Explanation

Given information:

X={a,b,c}andY={r,s,t,u,v,w}

The mapping f:xy is defined as follows:

f(a)=v,f

To determine

(b)

Let A={a,b},C={t},D={u,v},and E={r,s}. Find f(A),f(X),f1(C),f1(D),f1(E)andf1(Y).

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